<!DOCTYPE html >
<html lang="en" ng-app>
<head>
    <meta charset="UTF-8">
    <title></title>
</head>
<body>
<div ng-controller="my">
    <p ng-bind="aa"></p>
    <div class="cc" ng-click>
        <button class="aaa"  >aa</button>
    </div>

    <button class="bb" ng-click="">bb</button>
</div>
<script src="../jsLib/angular-1.3.0.js"></script>
<script src="../jsLib/jquery-2.1.3.min.js"></script>
<script>
    function my($scope){
        $scope.aa="hello ";

        $('.cc').on('click',function(){

            $scope.aa = "world"
        })
        document.getElementsByClassName('bb')[0].onclick=function(){
            $scope.aa = "bb"
        }
    }
</script>
</body>
</html>